Tool wrench

By designing an adjustable handle structure and limiting components, the problem of traditional wrenches being inconvenient to operate in narrow spaces has been solved, enabling flexible use and efficient bolt removal in confined spaces.

CN224059722UActive Publication Date: 2026-03-31DONGGUAN WEIZHENG METAL IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The fixed length of traditional wrenches in confined spaces makes them inconvenient to operate and difficult to effectively remove bolts.

Method used

A tool wrench was designed with an adjustable handle structure, combined with a limiting component and an adjustment component, including a two-way lead screw, a rotating ring, a limiting block and a locking groove, to achieve flexible adjustment and precise limiting, and to adapt to operation in narrow spaces.

Benefits of technology

It enables flexible use in confined spaces, improves operational efficiency and convenience, avoids slippage issues, and enhances adaptability and operational stability in complex scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of disassembling and assembling tools, and discloses a tool wrench which comprises a first handle and a second handle, a plurality of protruding blocks are fixedly connected to the top of the second handle, a two-way lead screw is in threaded connection with the side, close to the second handle, of the first handle, a rotating ring is fixedly connected to the outer portion of the two-way lead screw, and the rotating ring is in threaded connection with the top of the second handle. A notch is formed in one side of the second handle, limiting assemblies used for limiting parts are arranged at the two ends of the side, close to the second handle, of the first handle, an adjusting assembly is arranged on one side of the first handle, and each limiting assembly comprises two connecting rods. The two connecting rods are slidably connected to the two ends of the sides, close to each other, of the first handle and the second handle correspondingly. According to the utility model, the tool can be flexibly used in a narrow space, the tool is more suitable for complex scenes, in addition, the distance can be adjusted by reducing the force through the lever effect, the operation is more labor-saving, and the working efficiency and the user experience are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dismounting tool, especially to a tool wrench. BACKGROUND

[0002] With the advancement of mechanization, the increasing demand for precision connection and fastening has promoted the rapid development of wrench tools. The basic principle of a wrench is to use the leverage effect to apply torque by contacting the bolt or nut, thereby achieving tightening or loosening operation.

[0003] Wrenches mainly include open-end wrenches, socket wrenches, and combination wrenches, which rotate fasteners by directly contacting the bolt or nut, thereby achieving the function of mechanical assembly or disassembly. Open-end wrenches usually have openings of different sizes at both ends, which can accommodate bolts or nuts of different specifications.

[0004] Although traditional wrenches can meet the basic needs of tightening and loosening bolts, their limitations gradually appear when facing special operating environments or high-precision requirements. For example, the length of the wrench is fixed in a narrow space, making it inconvenient to install and disassemble the bolt. The inconvenience of fixed wrench operation is one of the main problems. Therefore, a tool wrench is proposed to solve the above problems. SUMMARY

[0005] To make up for the above shortcomings, the utility model provides a tool wrench, aiming to improve the problem that the length of the wrench is fixed in a narrow space in the prior art, thereby making it inconvenient to install and disassemble the bolt.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A tool wrench includes handle one and handle two. The top of the handle two is fixedly connected with multiple protrusions. The handle one and the handle two are threadedly connected with a bidirectional screw rod at their proximal sides. The bidirectional screw rod is fixedly connected with a rotating ring outside. One side of the handle two is provided with an opening. The handle one and the handle two are both provided with a limiting assembly for limiting the components at their proximal sides. One side of the handle one is provided with an adjusting assembly.

[0008] As a further description of the above technical scheme:

[0009] The limiting assembly includes two connecting rods. The two connecting rods are respectively slidably connected at the two ends of the handle one and the handle two. The two ends of the connecting rod are fixedly connected with a limiting block.

[0010] As a further description of the above technical scheme:

[0011] The adjusting assembly comprises a rotating rod, the outer part of the rotating rod is rotationally connected to the inner wall of the handle one, the outer part of the rotating rod is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a rotating block, and the inner part of the rotating block is provided with a clamping groove;

[0012] As a further description of the above technical solution:

[0013] The inner walls of the handle one and the handle two are both provided with a sliding groove, and the outer part of the limiting block is slidingly connected to the inner wall of the sliding groove.

[0014] As a further description of the above technical solution:

[0015] The clamping groove is used for limiting the bolt head, and facilitates the rotation of the bolt;

[0016] As a further description of the above technical solution:

[0017] The gap is used for rotating the bolt head and limiting effect through the convex block.

[0018] The utility model has the advantages of the following:

[0019] 1、The utility model discloses a rotating ring and bidirectional screw rod linkage can realize the flexible adjustment of the distance between handle one and handle two, make handle one and handle two can be used flexibly in narrow space, make the tool more suitable for complex scene, in addition, the adjustment distance can also reduce the force through the lever action, make the operation more labor saving, work efficiency and user experience are greatly improved.

[0020] 2、The utility model discloses a bolt is sleeved into the clamping groove inside, realizes accurate spacing operation, avoids the problem of unable to clamp or slip due to the shielding object. In the process of rotating handle one, the linkage structure of rotating block and connecting block makes the wrench can be flexibly adjusted to L type, greatly improves the adaptive capacity of the tool in the limited space, improves overall use convenience and work efficiency. DRAWINGS

[0021] Figure 1 A three-dimensional schematic view of a tool wrench is provided for the utility model;

[0022] Figure 2 A structure schematic view of a bidirectional screw rod of a tool wrench is provided for the utility model;

[0023] Figure 3 For Figure 2 An enlarged view of A in the middle;

[0024] Figure 4 A structure schematic view of a rotating block of a tool wrench is provided for the utility model.

[0025] Legend:

[0026] 1, handle one; 2, handle two; 3, protrusion; 4, bidirectional screw rod; 5, rotating ring; 6, connecting rod; 7, limiting block; 8, rotating rod; 9, connecting block; 10, rotating block; 11, clamping groove; 12, notch. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Reference Figures 1 to 3 An embodiment provided by the utility model: a tool wrench, comprising handle one 1 and handle two 2, the top of handle two 2 is fixedly connected with a plurality of protrusions 3, the plurality of protrusions 3 can provide effective limiting support for the bolt head, thereby avoiding the bolt from slipping off in the dismounting process, improving the precision and stability of operation. Handle one 1 and handle two 2 are screw-connected with a bidirectional screw rod 4 on the side close to each other, the bidirectional screw rod 4 can adjust the distance between handle one 1 and handle two 2 through screw transmission, so as to adapt to the operation requirement of bolts of different sizes and improve adaptability. The outer part of the bidirectional screw rod 4 is fixedly connected with a rotating ring 5, the rotating ring 5 can drive the bidirectional screw rod 4 through rotation, thereby quickly adjusting the distance between handle one 1 and handle two 2, improving operation efficiency, and being especially suitable for fast adjustment requirement scenarios. One side of handle two 2 is provided with a notch 12, the notch 12 can clamp the bolt head, and under the limiting action of the protrusion 3, the bolt can be stably rotated, avoiding dismounting failure caused by sliding. Handle one 1 and handle two 2 are both provided with a limiting assembly for limiting components on the two ends of the side close to each other, the limiting assembly can ensure the parallelism and stability of handle one 1 and handle two 2 during adjustment, avoiding shaking, thereby improving the durability and precision of the overall tool. The limiting assembly comprises two connecting rods 6, the two connecting rods 6 are respectively slidingly connected on the two ends of the side close to each other of handle one 1 and handle two 2, the connecting rod 6 can slidingly adjust and bear the load force of handle one 1 and handle two 2, provide a stable support structure, and ensure smooth and firm operation. The two ends of the connecting rod 6 are fixedly connected with a limiting block 7, the limiting block 7 is slidingly matched with a sliding groove structure, can always maintain the restraint force between components during adjustment, and prevent the components from accidentally loosening. The inner wall of handle one 1 and handle two 2 is provided with a sliding groove, the outer part of the limiting block 7 is slidingly connected with the inner wall of the sliding groove, the sliding groove provides a sliding track for the limiting block 7, so that handle one 1 and handle two 2 can smoothly move when adjusting the distance, and a stable sliding effect is provided.

[0029] Reference Figure 4 , One side of handle one 1 is provided with an adjusting assembly, the setting of the adjusting assembly enables the tool wrench to realize multifunctional operation through meticulous adjustment under special conditions, and adapts to different scene requirements. The adjusting assembly comprises a rotating rod 8, the rotating rod 8 is rotatably connected to the inner wall of handle one 1, the rotating rod 8 can provide flexible rotation operation, drive the linkage of the subsequent structure of connecting block 9, so as to realize quick adjustment and use conversion function. The rotating rod 8 is fixedly connected with connecting block 9 outside, connecting block 9 is an extension part of rotating rod 8, through fixed connection with rotating block 10, the rotating force can be transmitted to clamping groove 11, further realizing the limitation of bolt. One side of connecting block 9 is fixedly connected with rotating block 10, rotating block 10 can rotate with connecting block 9, and the torque is transmitted to clamping groove 11, so as to enhance the clamping effect of the tool on the bolt and ensure the safety of operation. The inner part of rotating block 10 is provided with clamping groove 11, which is specially used for limiting and clamping the bolt head, providing stable support in narrow space, avoiding operation due to limited space. When rotating handle one 1, through the limiting action of clamping groove 11, one-way efficient transmission can be realized, which is especially suitable for accurate disassembly operation of the bolt.

[0030] Working principle: when it is needed to use, the rotating ring 5 is rotated, the rotating ring 5 can drive the bidirectional screw rod 4 to rotate, and the distance between the handle one 1 and the handle two 2 can be changed when the bidirectional screw rod 4 rotates, at this time, the handle one 1 and the handle two 2 slide on the outside of the connecting rod 6, when the distance between the handle one 1 and the handle two 2 is adjusted, the handle two 2 is stretched to the position of the bolt to be removed, the notch 12 clamps the bolt, and the handle one 1 is rotated to complete the disassembly of the bolt, and the distance between the handle one 1 and the handle two 2 can be adjusted, so that the wrench can be used more conveniently in narrow place, and more labor-saving can be achieved.

[0031] When the bolt needs to be surrounded by an obstacle, it is sleeved in the clamping groove 11, the rotating block 10 rotates with the connecting block 9 on one side of the handle one 1 by rotating the handle one 1, so that the wrench becomes L-shaped, at this time, the handle two 2 is rotated to disassemble the bolt, and the use flexibility of the wrench is improved.

[0032] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tool wrench comprising a handle one (1) and a handle two (2), characterized in that: The top of handle two (2) is fixedly connected with a plurality of protrusions (3), handle one (1) and the side of handle two (2) are threadedly connected with a bidirectional screw rod (4), the outer part of the bidirectional screw rod (4) is fixedly connected with a rotating ring (5), one side of handle two (2) is provided with an opening (12), the two ends of the side of handle one (1) and handle two (2) are provided with limiting assemblies for limiting components, and one side of handle one (1) is provided with an adjusting assembly.

2. A tool wrench according to claim 1, wherein: The limiting assembly comprises two connecting rods (6), the two connecting rods (6) are respectively and slidably connected at the two ends of the side of handle one (1) and handle two (2), and the two ends of the connecting rod (6) are fixedly connected with limiting blocks (7).

3. A tool wrench as defined in claim 1, wherein: The adjusting assembly comprises a rotating rod (8), the outer part of the rotating rod (8) is rotatably connected with the inner wall of handle one (1), the outer part of the rotating rod (8) is fixedly connected with a connecting block (9), one side of the connecting block (9) is fixedly connected with a rotating block (10), and the inner part of the rotating block (10) is provided with a clamping groove (11).

4. A tool handle according to claim 2, wherein: The inner walls of handle one (1) and handle two (2) are both provided with sliding grooves, and the outer part of the limiting block (7) is slidably connected with the inner wall of the sliding groove.

5. A tool handle according to claim 3, wherein: The clamping groove (11) is used for limiting the head of a bolt, and facilitates the rotation of the bolt.

6. A tool wrench as defined in claim 1, wherein: The opening (12) is used for rotating the head of a bolt, and the protrusion (3) is used for limiting effect.